Sirio Vector 4000 - CB Base Station Antenna 8.5m Long, 27 - 28.5MHz SIGMA 4
Sirio Vector 4000 CB Base Station Antenna (27-28.5MHZ) THIS MODERN TAKE ON ONE OF THE LATE GREAT ORIGINAL ANTENNAS THE SIGMA 4. Feed system / position: Gamma match / base. 3/4 λ Base Station antenna tunable from 27 to 28.5 Mhz.